#!/bin/bash

VERSION="$( cargo read-manifest | python -c 'import json, sys; print(json.load(sys.stdin)["version"][:3])')"
LIB="$1"

# Make the Chrono in the header a link to the docs
awk '/^\/\/! # Chrono: / { print "[Chrono][docsrs]:", substr($0, index($0, $4))}' "$LIB"
awk '/^\/\/! # Chrono: / { print "[Chrono][docsrs]:", substr($0, index($0, $4))}' "$LIB" | sed 's/./=/g'
# Add all the badges
echo '
[![Chrono GitHub Actions][gh-image]][gh-checks]
[![Chrono on crates.io][cratesio-image]][cratesio]
[![Chrono on docs.rs][docsrs-image]][docsrs]
[![Join the chat at https://gitter.im/chrono-rs/chrono][gitter-image]][gitter]

[gh-image]: https://github.com/chronotope/chrono/workflows/test/badge.svg
[gh-checks]: https://github.com/chronotope/chrono/actions?query=workflow%3Atest
[cratesio-image]: https://img.shields.io/crates/v/chrono.svg
[cratesio]: https://crates.io/crates/chrono
[docsrs-image]: https://docs.rs/chrono/badge.svg
[docsrs]: https://docs.rs/chrono
[gitter-image]: https://badges.gitter.im/chrono-rs/chrono.svg
[gitter]: https://gitter.im/chrono-rs/chrono'

# print the section between the header and the usage
awk '/^\/\/! # Chrono:/,/^\/\/! ## /' "$LIB" | cut -b 5- | grep -v '^#' | \
    sed 's/](\.\//](https:\/\/docs.rs\/chrono\/'"$VERSION"'\/chrono\//g'
echo
# Replace relative doc links with links to this exact version of docs on
# docs.rs
awk '/^\/\/! ## /,!/^\/\/!/' "$LIB" | cut -b 5- | grep -v '^# ' | \
    sed 's/](\.\//](https:\/\/docs.rs\/chrono\/'"$VERSION"'\/chrono\//g' \